downward drilling

英 [downward drilling]
美 [downward drilling]

中文释义

[机] 向下钻蚀

单词分析

单词结构：

downward drilling

字母数：17

记忆提示

🎯 重点记忆：

  • 单词拼写：downward drilling
  • 核心含义：[机] 向下钻蚀

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更新时间：2025-12-27 13:09:56